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What is a unit rate?

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A unit rate is a comparison of two different quantities when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity, often expressed as 'per' something.

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How do you calculate the unit rate from a total cost and quantity?

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To find the unit rate, divide the total cost by the quantity. For example, if you spend $40 on 5 pounds of concrete, the unit rate is $40 ÷ 5 = $8 per pound.

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Front

What is the formula to calculate speed?

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How do you find the price per gallon of gas?

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To find the price per gallon, divide the total cost by the number of gallons. For example, if it costs $46.80 to fill a 13-gallon tank, the price per gallon is $46.80 ÷ 13 = $3.60.

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What is the cost per pound if a watermelon costs $3.24 for 3 pounds?

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To find the cost per pound, divide the total cost by the number of pounds. So, $3.24 ÷ 3 = $1.08 per pound.

Front

Define proportion in mathematics.

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What is the relationship between rates and proportions?

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Rates are a specific type of ratio that compares two quantities with different units, while proportions show that two ratios are equivalent. Understanding rates helps in solving proportion problems.

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How can you convert a fraction to a decimal?

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What is the significance of unit rates in real-life situations?

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Unit rates help compare prices, speeds, and other quantities, making it easier to make informed decisions, such as finding the best deal or understanding travel times.